# -*- coding: utf-8 -*-
import datetime
import math
import scrapy
import re
from apps.tax_policy.tax_policy.items import NetTaxPolicyItem as Item, urllib, time, urljoin, json, urlencode
from apps.tax_policy.tax_policy.spiders.base_spider.base_tax_policy_spider import BaseTaxPolicySpider


class JiangsuSljPolicy(BaseTaxPolicySpider):
    name = 'jiangsu_slj_policy'

    province = '江苏省'
    city = ''
    # county = ''
    park = ''

    def __init__(self, get_next=False, **kwargs):
        super().__init__(**kwargs)
        print(get_next)
        self.get_next = get_next

    @classmethod
    def update_settings(cls, settings) -> None:
        downloader_middlewares = settings.getdict("DOWNLOADER_MIDDLEWARES")
        new_settings = {
            **(cls.custom_settings or {}),
            **{
                # "COOKIES_ENABLED": False,
                "DOWNLOAD_TIMEOUT": 200,
                # "CONCURRENT_REQUESTS": 2,
                "HTTPERROR_ALLOWED_CODES": [302, 400, 404, 500, 200, 202, 502, 429, 521],
                # "DOWNLOAD_DELAY": 5,
                "DOWNLOADER_MIDDLEWARES": {
                    "components.middlewares.downloadmiddlewares.public.jsl_middlewares.JslMiddleware": 543,
                    **downloader_middlewares
                }
            },
        }
        settings.setdict(new_settings or {}, priority="spider")

    def start_requests(self):
        for source, county, url in [
            ['江苏省水利厅', "", "https://jswater.jiangsu.gov.cn/col/col84409/index.html"],
        ]:
            item = {'source': source, 'county': county}
            callback = self.parse_content
            yield scrapy.Request(url, callback=callback, meta={'item': item}, dont_filter=True)

    def parse_content(self, response, **kwargs):
        meta = response.meta
        base_url = response.urljoin('/module/web/jpage/dataproxy.jsp')
        params = {
            'startrecord': 1,
            'endrecord': 75,
            'perpage': 25
        }

        formdata = {
            'col': '1',
            'appid': '1',
            'webid': '66',
            'path': '/',
            'columnid': '84409',
            'sourceContentType': '1',
            'unitid': '367012',
            'webname': '江苏省水利厅',
            'permissiontype': '0'
        }
        meta['formdata'] = formdata
        meta['params'] = params
        yield scrapy.FormRequest(
            url=f"{base_url}?{urlencode(params)}",
            method='POST',
            formdata=formdata,
            callback=self.parse_list,
            meta=meta
        )

    def parse_list(self, response, **kwargs):
        meta = response.meta
        prev_item = meta.get('item')
        formdata = meta['formdata']
        elem_list = response.xpath('//record')
        for elem in elem_list:
            item = Item()
            item['source_url'] = elem.xpath(".").re_first(r'href="(.*?)"')
            item['source_url'] = response.urljoin(item['source_url'])
            item['publish_date'] = elem.xpath(".").re_first(r'span&gt;(\d{4}-\d{2}-\d{2})&lt;')
            if item['publish_date'] < '2022-01-01':
                # self.get_next = None
                pass
            if prev_item is not None:
                for key, value in prev_item.items():
                    item[key] = value
            if not item['source_url']:
                continue
            # if '.htm' not in item['source_url'] and '.shtm' not in item['source_url']:
            #     continue
            if 'relativeInfo' in item['source_url']:
                continue
            print(response.url.split("?")[-1], item['source_url'])
            yield response.follow(item['source_url'], callback=self.parse_detail, meta={'item': item})
        if (self.get_next or self.get_next == '0') and meta.get('is_next') is not False:
            total_page = int(response.xpath('//totalrecord/text()').get() or 0)
            print('total', total_page, )
            for page_num in range(75, total_page + 1, 75):
                new_start = page_num + 1
                new_end = new_start + 74
                if new_end > total_page:
                    new_end = total_page
                params = {
                    'startrecord': new_start,
                    'endrecord': new_end,
                    'perpage': 25
                }
                meta.update({'item': prev_item, 'is_next': False})
                # print(params)
                yield scrapy.FormRequest(url=f"{response.url.split('?')[0]}?{urlencode(params)}", callback=self.parse_list, meta=meta, formdata=formdata)

    def parse_detail(self, response, **kwargs):
        item = Item() if response.meta.get('item') is None else response.meta.get('item')
        item['title'] = response.xpath("""string(//meta[@name='ArticleTitle']/@content)""").get()
        # item['publish_date'] = response.xpath(
        #     """string(//meta[@name='PubDate']/@content)""").get() or response.xpath(
        #     "//*[@class='fbrq']/text()").get()
        item['content'] = response.xpath(""".""").get()
        # item['source'] = self.source
        item['province'] = self.province
        item['city'] = self.city
        # item['county'] = self.county
        item['park'] = self.park
        yield item


if __name__ == "__main__":
    from scrapy import cmdline

    cmdline.execute("scrapy crawl jiangsu_slj_policy -a get_next=0".split())
